docs: def get(self, arg, value):
          """Retrieve single user record by id or username
  
          Warnings:
              User display names are not unique. If using `display_name`, method will fail if multiple Users are returned
              with the same display name
  
          Keyword Args:
              id (str): Full User ID
              display_name (str): User display name
  
          Returns:
              User: User instance matching provided inputs
  
          Raises:
              TypeError: Unexpected or more than one keyword argument provided
              ValueError: No matching user found based on provided inputs, or multiple Users with same display name
          """
          if arg == 'id':
              response = self._swimlane.request('get', 'user/{}'.format(value))
  
              try:
                  user_data = response.json()
              except ValueError:
                  raise ValueError('Unable to find user with ID "{}"'.format(value))
  
              return User(self._swimlane, user_data)
  
          else:
              response = self._swimlane.request('get', 'user/search?query={}'.format(quote_plus(value)))
              matched_users = response.json()
  
              # Display name not unique, fail if multiple users share the same target display name
              target_matches = []
  
              for user_data in matched_users:
                  user_display_name = user_data.get('displayName')
                  if user_display_name == value:
                      target_matches.append(user_data)
  
              # No matches
              if not target_matches:
                  raise ValueError('Unable to find user with display name "{}"'.format(value))
  
              # Multiple matches
              if len(target_matches) > 1:
                  raise ValueError('Multiple users returned with display name "{}". Matching user IDs: {}'.format(
                      value,
                      ', '.join(['"{}"'.format(r['id']) for r in target_matches])
                  ))
  
              return User(self._swimlane, target_matches[0])